There are total 13 hours or 780 minutes from 7am to 8pm. In words, this duration is equal to thirteen hours or seven hundred eighty minutes.
How many hours from
| 10AM to 2AM | 7AM to 9PM | 9AM to 5AM |
| 8PM to 12PM | 2PM to 6AM | 1AM to 3PM |
| 5PM to 2AM | 10PM to 11PM | 8PM to 5PM |
| 5AM to 2PM | 10PM to 6AM | 9PM to 10PM |
| 12PM to 7PM | 8PM to 1AM | 10AM to 6AM |
| 2AM to 9AM | 10PM to 8AM | 12AM to 5PM |
